Home / 161,181,898.30-222,431,768.58-91,571,097.70

Finding the Fourth Proportional to 161,181,898.30, 222,431,768.58 and 91,571,097.70

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Solution

The fourth proportional to 161,181,898.30, 222,431,768.58 and 91,571,097.70 is: 126,368,540.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,181,898.30 : 222,431,768.58 = 91,571,097.70 : x
  2. Step 2: Convert to fraction form
    161,181,898.30/222,431,768.58 = 91,571,097.70/x
  3. Step 3: Cross multiply
    161,181,898.30x = 222,431,768.58 × 91,571,097.70
  4. Step 4: Simplify right side
    161,181,898.30x = 20,368,321,212,222,972
  5. Step 5: Solve for x
    x = 20,368,321,212,222,972/161,181,898.30
  6. Step 6: Final answer
    x = 126,368,540.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.